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74LVCH16541A Просмотр технического описания (PDF) - Philips Electronics
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74LVCH16541A
16-bit buffer/line driver (3-State)
Philips Electronics
74LVCH16541A Datasheet PDF : 10 Pages
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Philips Semiconductors
16-bit buffer/line driver; 5V tolerant I/O (3-State)
Product specification
74LVCH16541A
PIN DESCRIPTION
PIN NUMBER SYMBOL
1, 24
2, 3, 5, 6, 8, 9,
11, 12
4, 10, 15, 21,
28, 34, 39, 45
7, 18, 31, 42
13, 14, 16, 17,
19, 20, 22, 23
nOE
1
1Y0 to 1Y7
GND
V
CC
2Y0 to 2Y7
25, 48
36, 35, 33, 32,
30, 29, 27, 26
47, 46, 44, 43,
41, 40, 38, 37
nOE
2
2A0 to 2A7
1A0 to 1A7
NAME AND FUNCTION
Output enable input
(active LOW)
Data outputs
Ground (0V)
Positive supply voltage
Data outputs
Output enable input
(active LOW)
Data inputs
Data inputs
LOGIC SYMBOL
47
1A0
46
1A1
44
1A2
43
1A3
41
1A4
40
1A5
38
1A6
37
1A7
2
1Y0
3
1Y1
5
1Y2
6
1Y3
8
1Y4
9
1Y5
11
1Y6
12
1Y7
36
2A0
35
2A1
33
2A2
32
2A3
30
2A4
29
2A5
27
2A6
26
2A7
13
2Y0
14
2Y1
16
2Y2
17
2Y3
19
2Y4
20
2Y5
22
2Y6
23
2Y7
1
1OE
1
48
1OE
2
24
2OE
1
25
2OE
2
FUNCTION TABLE
INPUTS
nOE
1
nOE
2
nAn
L
L
L
L
L
H
X
H
X
H
X
X
H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
SW00115
OUTPUT
nYn
L
H
Z
Z
LOGIC SYMBOL (IEEE/IEC)
1OE
1
1
1OE
2
48
2OE
1
24
2OE
2
25
47
1A0
46
1A1
1A2
44
43
1A3
41
1A4
40
1A5
38
1A6
1A7
37
2A0
36
35
2A1
2A2
33
32
2A3
2A4
30
2A5
29
2A6
27
2A7
26
&
EN
&
1 1
∇
2 2
∇
BUSHOLD CIRCUIT
V
CC
2
1Y0
3
1Y1
5
1Y2
6
1Y3
8
1Y4
9
1Y5
11
1Y6
12
1Y7
13
2Y0
14
2Y1
16
2Y2
17
2Y3
19
2Y4
20
2Y5
22
2Y6
23
2Y7
SW00114
Data Input
To internal circuit
SW00044
1998 May 19
3
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